[INFO] fetching crate regindex 0.2.1... [INFO] testing regindex-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate regindex 0.2.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate regindex 0.2.1 [INFO] finished tweaking crates.io crate regindex 0.2.1 [INFO] tweaked toml for crates.io crate regindex 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate regindex 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1f82a9fb49b3f3608649fa5b709e6ce2ac46f8a76a4abfccfc90a66f7b267ac [INFO] running `Command { std: "docker" "start" "-a" "f1f82a9fb49b3f3608649fa5b709e6ce2ac46f8a76a4abfccfc90a66f7b267ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1f82a9fb49b3f3608649fa5b709e6ce2ac46f8a76a4abfccfc90a66f7b267ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f82a9fb49b3f3608649fa5b709e6ce2ac46f8a76a4abfccfc90a66f7b267ac", kill_on_drop: false }` [INFO] [stdout] f1f82a9fb49b3f3608649fa5b709e6ce2ac46f8a76a4abfccfc90a66f7b267ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e55c05c6eb69d4917d3c204856f2d4f6e8316d1e2013d47609cc3dd0cd3b7be9 [INFO] running `Command { std: "docker" "start" "-a" "e55c05c6eb69d4917d3c204856f2d4f6e8316d1e2013d47609cc3dd0cd3b7be9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling regindex v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0 (you are using 1.89.0-nightly (8de4c7234 2025-06-19)); see for more information [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: malformed `unstable` attribute input [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | #[unstable] [INFO] [stdout] | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: malformed `unstable` attribute input [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | #[unstable] [INFO] [stdout] | ^^^^^^^^^^^ help: must be of the form: `#[unstable(feature = "name", reason = "...", issue = "N")]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::borrow::IntoCow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ no `IntoCow` in `borrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[stable(since="0.1.0")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | #[unstable] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | #[unstable] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0734]: stability attributes may not be used outside of the standard library [INFO] [stdout] --> src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | #[stable(since="0.1.0")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for arbitrary types [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | impl Index> for str { [INFO] [stdout] | ^^^^^----------------------------------^^^^^--- [INFO] [stdout] | | | [INFO] [stdout] | | `str` is not defined in the current crate [INFO] [stdout] | `Result` is not defined in the current crate [INFO] [stdout] | [INFO] [stdout] = note: impl doesn't have any local type before any uncovered type parameters [INFO] [stdout] = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules [INFO] [stdout] = note: define and implement a trait or new type instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0117, E0432, E0557, E0734. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0117`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regindex` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e55c05c6eb69d4917d3c204856f2d4f6e8316d1e2013d47609cc3dd0cd3b7be9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e55c05c6eb69d4917d3c204856f2d4f6e8316d1e2013d47609cc3dd0cd3b7be9", kill_on_drop: false }` [INFO] [stdout] e55c05c6eb69d4917d3c204856f2d4f6e8316d1e2013d47609cc3dd0cd3b7be9